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Wet Abrasive Blasting: the Future of Surface Preparation and the Effects it has on Steel

Wet Abrasive Blasting: the Future of Surface Preparation and the Effects it has on Steel
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With more stringent silica regulations being enforced, wet abrasive blasting is becoming more prevalent in the industry. We investigated the viability of wet abrasive blasting as compared to the more commonly used dry abrasive blast. One added benefit of wet abrasive blasting is the removal of soluble salts in addition to providing the specified profile.

Product Number: 51220-232-SG
Author: Brady DeRoche
Publication Date: 2020
Industry: Coatings
$0.00
$20.00
$20.00

With more stringent silica regulations being enforced, wet abrasive blasting is becoming more prevalent in the industry. We investigated the viability of wet abrasive blasting as compared to the more commonly used dry abrasive blast. One added benefit of wet abrasive blasting is the removal of soluble salts in addition to providing the specified profile.  Our study explored the use of available additives intended to aide in the removal of soluble salts and preventing flash rust. We found the use of the additives, in tandem with wet abrasive blast standards, effectively removed soluble salts, inhibited flash rusting and did not adversely affect the performance of applied coating systems.

With more stringent silica regulations being enforced, wet abrasive blasting is becoming more prevalent in the industry. We investigated the viability of wet abrasive blasting as compared to the more commonly used dry abrasive blast. One added benefit of wet abrasive blasting is the removal of soluble salts in addition to providing the specified profile.  Our study explored the use of available additives intended to aide in the removal of soluble salts and preventing flash rust. We found the use of the additives, in tandem with wet abrasive blast standards, effectively removed soluble salts, inhibited flash rusting and did not adversely affect the performance of applied coating systems.

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Wet Abrasive Blasting: an Overview of Surface Cleaning Alternatives
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Wet Abrasive Blasting: an Overview of Surface Cleaning Alternatives

Product Number: 51219-190-SG
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Publication Date: 2019
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Restoration of steel and concrete surfaces has relied heavily on sandblasting and other dry blasting techniques. For over a century, dry blasting has been an effective, but dusty approach in removing coatings, contaminants, corrosion, and residues, with emissions of silica and other abrasive or substrate particles linked to negative health and environmental impacts. 
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Surface Roughness Profile and its effect on Coating Adhesion and Corrosion Protection

Product Number: 51220-238-SG
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Modern design, manufacturing and field-testing specifications include surface profile and adhesion testing on the assumption that they are linked to long term corrosion prevention. There are a number of careful studies, dating back decades, that find no link between measurements of adhesion and (undercutting) corrosion performance, but other studies do, and the concept remains intuitively appealing and widely assumed.
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Surface Soluble Salts Impact on Protective Coating Performance

Product Number: 51220-277-SG
Author: Andrew Recker
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To address questions and concerns in the protective and marine coatings market, new laboratory data has been generated regarding corrosion rates and mechanisms that will help eliminate some of the assumptions regarding the role of soluble salts. These assumptions include soluble salt types such as chloride, sulfate, and nitrate along with the resulting conjugate corrosion products. 
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